Sen. Chris Murphy urged politicians to stand up to the National Rifle Association because while “[t]he gun lobby is certainly politically powerful … it loses as many races as it wins.” But the NRA has won the vast majority of recent congressional races in which it heavily invested.

Democrats say the House Republican health care bill would throw 24 million people off their health insurance. But the Congressional Budget Office said that figure includes some who would choose not to have insurance and some who would have had coverage in the future under current law.

After the December mass shooting at an elementary school in Newtown, Conn., several Democrats advocating for stricter gun-control laws — including a law requiring universal background checks for gun purchases — took to using this talking point to support their case. …

Linda McMahon falsely claims in a TV ad that Rep. Chris Murphy “voted to raise middle-class Social Security taxes.” The ad cites two votes on end-of-year tax deals — but neither bill would have increased the payroll tax that funds Social Security:

Murphy voted against the 2010 tax deal that extended the Bush-era tax cuts and reduced the Social Security payroll tax for one year. But voting against cutting Social Security taxes is not the same as voting to raise them.

Democrats and their allies can’t get enough of the Americans for Tax Reform tax pledge — which, as we’ve reported, they’ve falsely equated in a number of ads with “protecting tax loopholes for companies that ship jobs overseas.” Still, Democrats continue …